SCJBServerTeamTools

2025.3.14

Private/ADLookups/_UpdateSCCMDevices.ps1

function _UpdateSCCMDevices {
    [CmdletBinding()]
    [System.Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSAvoidGlobalVars', '', Justification = 'Global to be used again in the same session.')]

    param (
        [Parameter()]
        [switch]$ForceLookup
    )
    begin {
        $ADLookups_FindTabInformationTextBox.Text = 'Loading SCCM Devices...'

        # This is set in the function being called
        $SCCMServer = $STTSettings.SCCMSettings.SCCMServerHostname
        # Tried the API
        $DeviceCollection = $STTSettings.SCCMSettings.SCCMDefaultCollection
        $ErrorOccurred = $false
    }
    process {
        if ((!$SCCMDevices) -or $ForceLookup ) {
            # Get all Computers from SCCM
            Write-Verbose "Getting list of devices from SCCM collection: $DeviceCollection"
            # using API should be possible
            # get the collection full membership sms_fullcollectionmembership
            # for each member of that, get the v1.0 device stats
            # filter on primaryuser, currentlogonuser, and lastlogonuser
            $Command = {
                Import-Module ConfigurationManager
                Set-Location 'SC3:'
                Get-CMDevice -CollectionName $Using:DeviceCollection
            }
            try {
                $Global:SCCMDevices = Invoke-Command -ComputerName $SCCMServer -ScriptBlock $Command
            }
            catch {
                $ErrorOccurred = $true
                $MessageSplat = @{
                    MessageText  = 'Unable to get devices from SCCM.'
                    MessageIcon  = 'Hand'
                    ButtonType   = 'OK'
                    MessageTitle = 'Error'
                }
                _ShowMessageBox @MessageSplat
            }
        }
    }
    end {
        if ($ErrorOccurred) {
            $ADLookups_FindTabInformationTextBox.Text = "Unable to get devices from SCCM.`nVerify that you have permissions to read SCCM."
        }
        else {
            $ADLookups_FindTabInformationTextBox.Text = 'Loading from SCCM Complete.'
            $ADLookups_FindTabObjectTypeComboBox.Items.Add("User's Computer")
            if ($HomeWindow_BannerButton) {
                $HomeWindow_BannerButton.Visibility = 'Hidden'
            }
        }
    }
}